The outside track of a track field is 300 yards long that consists of the two lengths of a rectangle and 2 semi-circles on both ends of the rectangle (the two widths of this rectangle which are the same as the diameters of the semi-circles are not part of the outside track because they are inside of the field).

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2

20%

step-by-step explanation:

multiple all that

step-by-step explanation:

27×17